public override void ChangedDragState(MKMapView mapView, MKAnnotationView annotationView, MKAnnotationViewDragState newState, MKAnnotationViewDragState oldState)
{
if (annotationView.Annotation is BindingMKAnnotation annotation)
{
switch (newState)
{
case MKAnnotationViewDragState.Starting:
if (MarkerDragStart?.CanExecute(annotation.Annotation) ?? false)
{
MarkerDragStart.Execute(annotation.Annotation);
}
break;
case MKAnnotationViewDragState.Ending:
if (MarkerDragEnd?.CanExecute(annotation.Annotation) ?? false)
{
MarkerDragEnd.Execute(annotation.Annotation);
}
break;
case MKAnnotationViewDragState.Dragging:
if (MarkerDrag?.CanExecute(annotation.Annotation) ?? false)
{
MarkerDrag.Execute(annotation.Annotation);
}
break;
}
}
}
public void OnMarkerDrag(Marker marker)
{
var mAnnotation = (marker.Tag as AnnotationTag).Annotation;
if (mAnnotation is IBindingMapAnnotation anno)
{
anno.Location = marker.Position.ToBinding2DLocation();
if (MarkerDrag?.CanExecute(anno) ?? false)
{
MarkerDrag.Execute(anno);
}
}
}